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WIDOPAN liquid waterproofing systems have been recognised by industry leading independent assessment bodies in the UK and Europe.

The British Board of Agrément (BBA) is an independent organisation that issues Approval Certificates for construction products and systems.  

Certificates are awarded after a stringent and thorough assessment process that includes laboratory testing, on-site evaluations and production inspections. BBA Certificates are recognised by building control, government departments, architects, local authorities, specifiers and industry insurers like the NHBC.


Please find the following BBA certificates

The European Technical Approval (ETA) is a certification issued by the “European Organisation for Technical Approvals” (EOTA). This certificate signifies that the production of the manufacturer is consistent and complies with regulations set by EU Directives and standards.


Please contact us here if you require our EOTA certificates



WIDOPAN products have also been recognised and approved by Premier Guarantee.